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Effects of task complexity and sensory conflict on goal-directed movement

Serrien, Deborah J.; Spap�, Michiel M.

Authors

Michiel M. Spap�



Abstract

Interactions between brain regions are necessary for compound activities to take place. Accordingly, evaluating hemispheric information processing during skilled behaviour provides valuable knowledge about brain regulation. To this end, the present study assessed the neural changes in response to task complexity and visuomotor discrepancy during motor (drawing) actions. EEG phase synchronization, expressing interregional communication, showed that visuomotor discordance perturbed information processing across both hemispheres, whereas task complexity induced pronounced adjustments in the left (dominant) hemisphere. However, the effects of task complexity and sensorimotor conflict interacted, and suggested that the main process of spatiotemporal integration was localized within the left hemisphere. Furthermore, a significant association between left hemisphere couplings and performance accuracy proposed that connectivity strength and behavioural output are linked with one another. These results suggest that functional connectivity patterns provide higher-order associations for information coding during skilled actions.

Citation

Serrien, D. J., & Spapé, M. M. (2009). Effects of task complexity and sensory conflict on goal-directed movement. Neuroscience Letters, 464(1), https://doi.org/10.1016/j.neulet.2009.08.022

Journal Article Type Article
Publication Date Jan 1, 2009
Deposit Date Jun 8, 2012
Publicly Available Date Mar 29, 2024
Journal Neuroscience Letters
Print ISSN 0304-3940
Electronic ISSN 0304-3940
Publisher Elsevier
Peer Reviewed Peer Reviewed
Volume 464
Issue 1
DOI https://doi.org/10.1016/j.neulet.2009.08.022
Public URL https://nottingham-repository.worktribe.com/output/1014771
Publisher URL http://dx.doi.org/10.1016/j.neulet.2009.08.022
Additional Information NOTICE: this is the author’s version of a work that was accepted for publication in Neuroscience Letters. Changes resulting from the publishing process, such as peer review, editing, corrections, structural formatting, and other quality control mechanisms may not be reflected in this document. Changes may have been made to this work since it was submitted for publication. A definitive version was subsequently published in Neuroscience Letters, 464, 1 (2009) doi:10.1016/j.neulet.2009.08.022

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